Ignore pictures when parsing divelogs.de import

Do not do XML parse on pictures. Currently just ignore them, in the
future we might want to save them somewhere and include them in
Subsurface logs.

Signed-off-by: Miika Turkia <miika.turkia@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>

file.c

@@ -89,6 +89,9 @@ static int try_to_open_zip(const char *filename, struct memblock *mem)
 			struct zip_file *file = zip_fopen_index(zip, index, 0);
 			if (!file)
 				break;
+			/* skip parsing the divelogs.de pictures */
+			if (strstr(zip_get_name(zip, index, 0), "pictures/"))
+				continue;
 			zip_read(file, filename);
 			zip_fclose(file);
 			success++;